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Finding the Fourth Proportional to 867,696.60, 1,301,156.10 and 335,040.60

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Solution

The fourth proportional to 867,696.60, 1,301,156.10 and 335,040.60 is: 502,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,696.60 : 1,301,156.10 = 335,040.60 : x
  2. Step 2: Convert to fraction form
    867,696.60/1,301,156.10 = 335,040.60/x
  3. Step 3: Cross multiply
    867,696.60x = 1,301,156.10 × 335,040.60
  4. Step 4: Simplify right side
    867,696.60x = 435,940,120,437.66
  5. Step 5: Solve for x
    x = 435,940,120,437.66/867,696.60
  6. Step 6: Final answer
    x = 502,410.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.